Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2019, with 30,927 patents from 15,298 inventors. Leading employers of inventors based in Tokyo, JP include N.I.T., Tdk Electronics Ag, Line.

Showing 14,351–14,400 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Kazumi Osawa N.I.T. 1
#6064 Yu Katagi Tdk Electronics Ag 1
#6064 Ick Hyun Shin Line 1
#6064 Takanori Hama Cellseed 1
#6064 Yuka Morimoto Lion Group 1
#6064 Nobuyuki NAHATA Toyo Ink Sc Holdings Co. 1
#6064 Tsutomu HADA Tachi-S Co. 1
#6064 Makoto Tago Hitachi 1
#6064 Junichiro Ito Olympus Optical Co. 1
#6064 Nobuyoshi Ito Suntory Holdings Limited 1
#6064 Takamichi Yoshikawa Graphtec 1
#6064 Sadao Seimiya Hokushin Co. 1
#6064 Tatsuya Ekinaka Teijin Chemicals Limited 1
#6064 Tetsuhiko Yao Canon 1
#6064 Toshihiko Ueyama Dowa Electronics Materials Co. 1
#6064 Toshihiko Yanase Hitachi 1
#6064 Takayuki Shinozaki Murata Manufacturing Co. 1
#6064 Atsuko Enomoto Hitachi 1
#6064 Daisuke Tsujimoto Canon 1
#6064 Shohei Terada Hitachi High-Technologies 1
#6064 Hironori Kugimoto Sumitomo Osaka Cement Co. 1
#6064 Yuma KATSUTA Lintec 1
#6064 Shogo Shibata Mitsubishi Electric 1
#6064 Keiichi Furuya Renesas Electronics 1
#6064 Masakazu Matsui Furukawa Electric Co. 1
#6064 Tatsuya Okuda Mitsubishi Electric 1
#6064 Takashi Sakaguchi Hitachi 1
#6064 Kazuma Ohara Nec 1
#6064 Takashi Tsuchiya Sony 1
#6064 Hideyuki Hatanaka Nitto Boseki Co. 1
#6064 Kentaro Ueda Panasonic 1
#6064 Asuka Namai The University Of Tokyo 1
#6064 Junichi Asano Canon 1
#6064 Minetaka Nishimura Komatsu 1
#6064 Yuki Yamamura Sii Printek 1
#6064 Tsuguhiko Satou 1
#6064 Masaharu Ono Yamaha 1
#6064 Yoshitaka Matsumura Mitsubishi Chemical 1
#6064 Shinji Nakanishi Toyota 1
#6064 Yasutaka Ochiai Mitsubishi Electric 1
#6064 Junya NITTA Denka Company Limited 1
#6064 Masakazu Hirata Seiko Instruments 1
#6064 Hiroko Shinada Mitsubishi Chemical 1
#6064 Hisashi Shiba Nec 1
#6064 Keisuke Kataoka Ricoh Company 1
#6064 Takashi Nogawa Proterial 1
#6064 Masahiro Shinya Mitsubishi Electric 1
#6064 Yukako Asano Hitachi 1
#6064 Hideo Yokoi Nec 1
#6064 Koji Yotsumoto Hitachi Kokusai Electric 1